Window-screen.



No. 708,357. Patented Sept. 2, I902.

E. G. HOLDEN.

WINDOW SCREEN.

(Application filed. Nov. 21, 1901.)

(No Model.)

m: NCRRIS PETERS co. PHOYO-LITHQ, WASNINGTON, o. c

NrTr; dTATns PATENT rrrcn.

ELBRIDGE G. HOLDEN, OF PHILADELPHIA, PENNSYLVANIA.

WINDOW-SCREEN.

$PEGIFICATION forming part of Letters Patent N0. 708,357, dated September 2, 1902.

Application filed November 21, 1901. Serial No. 83,118. (No model.)

To all whom it may concern:

Beit known that I, ELBRIDGE G. HOLDEN, a citizen of the United States, residing at Philadelphia, county of Philadelphia, and State of Pennsylvania, have invented a certain new and useful Improvement in Window-Screens, of which the following is a specification.

My invention relates to a new and useful improvement in window-screens, and has for its object to provide a window-screen which may be manufactured at a comparatively small cost and will at the same time be adjustable; and a further object of my invention is to provide a simple and effectivemeans for fastening the screen so that said screen can be quickly and easily attached or detached to the beads of window-casing, so that the sash can be raised and lowered without removing the screen.

With these ends in view this invention consists in the details of construction and combination of elements hereinafter set forth and then specifically designated by the claims.

In order that those skilled in the art to which this invention appertains may understand how to make and use the same, the construction and operation will now be described in detail,referring to the accompanying drawings, forming apart of this specification, in which- Figure 1 is a perspective view of a portion of a window,showing my screen applied there to; Fig. 2, a horizontal section through one side of the screen and also through a portion of the window-casing. Fig.3 is a front elevation of a portion of the side of the screen, showing the side frame brokenaway to illustrate the mode of fastening the screen to the window-frame.

In my improved screen I do away with the top and bottom frame and only use a'frame upon each side of the screen. The side frames consist of the two strips A and B, which are secured together, clamping the woven-wire clothin between the same. These strips may be secured together by nails or screws 0. Both edges of the strip A are beveled, as shown at D and E, and one edge of thestrip B is beveled, as shown at F. When placed together,the two beveled edges D and F will form a V-shaped groove, running from the top to the bottom of the side frame.

G represents pins driven through the beveled ends of both the strips A and B, so that said pins will pass through the V-shaped groove, as shown in Fig. 2.

II represents right-angle screws, which are secured in the \\-'indow-fra1ne in either the center or outer bead, and the portion J of the right-angle screws will extend upward a distance out from the bead I; so that the pin G can be slipped down behind the vertical portion J of the right-angle screws. When the screen-frame is placed in position, any number of the screws II or pins G may be used; but I prefer to only use two upon each side of the window. The woven-wire cloth K-is formed upon each side wit-h folds L, as in a bellows. The corrugations or convolutions of the wire-cloth give a certain amount of lateral elasticity to the screen, so that when the side frames are pressed apart these cor rugations or convolutions will tend to draw the frames together when released. Therefore after the pins G are slipped behind the hooks II upon each side of the window and the screen is released the wire-cloth will pull the frames together and in tight contact with the vertical portion J of the hooks, and thus hold the screen in position.

For the purpose of preventing the screen from becoming accidentally detached from the hooks H, I provide in the hooks a slight depression M, in which the pins G will rest when behind the same, so that to release the screen it will be necessary to press the side frames apart slightly to raise the pins from engagement with the hooks I-I.

When the screen is attached to the central bead I, the lower edge of the screen will rest upon the sill of the window and the inner face of the screen will be in close contact with the lower rail of the lower sash, so that this lower rail coming in contact with the screen at any height will prevent any insects from entering between the screen and the lower rail of said sash.

It is a well-known fact that insects will never enter a window if they have to pass downward through an opening to so enter; but they will readily enter through any opening which opens upward. Therefore the folds or convolutions L of the wire-cloth will not only act as a means for giving elasticity to ICO the screen, but will also afford means for allowing the insects within the room to escape, as said insects will crawl upward within the folds L and escape from the top of the same.

The beveled edge E of the strip Aanswers as a handhold for inserting the screen in the window, and the vertical groove N will also furnish a grip for the fingers in handling the frame. By making the bevels E and F at the same angle they may be formed by one cut of the saw, and thus not occasion any waste of material in forming the beveled edges.

When it is desired to place the screen in the runway of the lower sash so that the lower sash may be closed down upon the same in the manner that ordinary screens are used, the two side frames of the screen are then pulled apart, the convolutions or folds L allowing this to be done, until the frame when in its normal condition will be wider than the distance between the two sides of the windowcasing. Then by pressing the frames together the folds or convolutions L will act in the opposite direction and tend to force the side frames outward,and then when the frames are placed in the runway upon each side the side frames will be forced outward against the window-casing and so be held in position, and 'When the lower sash is closed down upon the screen it will still further help to hold the screen.

The principal advantage of my invention is that I am enabled to furnish an adjustable Window-screen at a very small cost and also furnish means for fastening the screen to the window-casing which will be very effective in holding the screen in position, but at the same time be very cheap.

Of course I do not wish to be limited to the exact construction here shown, as slight modifications could be made without departing from the spirit of my invention.

Having thus fully described my invention, what I claim as new and useful is 1. In a window-screen, a wire-cloth, a side frame comprising two strips between which the screen is clamped, one of said strips having two beveled edges, the other strip having a beveled edge opposite to that of the beveled outer edge of the other strip, pins extending transversely of the groove formed by the beveled edges of the strips, and hooks having re cesses to receive the pins, as and for the purpose described.

2. The combination in a window-screen, a Wire-cloth, of side frames attached to each side edge of the wire-cloth, a vertical groove formed in the outer edge of each of said side frames, pins extending through the side frames and across the groove, right angle screws secured in the window-casing, said screws having a portion extending upward parallel with the window casing, behind which the pins are adapted to be held when the screen is in position, vertical folds or convolutions formed in the wire-cloth, and means for locking the screen in place whereby the spring of the vertical folds or convolutions will hold the screen locked in position, as and for the purpose specified.

3., In combination in a window-screen, a wire-cloth, of side frames attached to each side edge of the wire-cloth, a vertical groove formed in the outer edge of each of the side frames, pins extending through the side frames and across the groove, right-angle screws secured in the window-casing, said screws having a portion extending upward parallel with the window-casin g behind which the pins are adapted to be held when the screen is in position, notches formed in this upward parallel portion of the right-angle screws, in which the pins are adapted to lie so as to lock the screen in position, and vertical folds or convolutions formed in the wirecloth, said folds or convolutions adapted to exert a spring-pressure to hold the pins within the notches of the right-angle screws, as and for the purpose specified.

In testimony whereof I have hereunto affixed my signature in the presence of two subscribing witnesses.

ELBRIDGE G. HOLDEN. lVitnesses:

II. B. HALLOOK, L. W. MORRISON. 

